Provide a generic JavaScript message router implementation (issue #1183).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1574 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2014-01-27 23:31:03 +00:00
parent 78bfefee5e
commit 0df95ca529
33 changed files with 6023 additions and 597 deletions

View File

@ -13,54 +13,43 @@ namespace binding_test {
namespace {
const char* kMessageName = "binding_test";
const char kTestUrl[] = "http://tests/binding";
const char kTestMessageName[] = "BindingTest";
// Handle messages in the browser process.
class ProcessMessageDelegate : public ClientHandler::ProcessMessageDelegate {
class Handler : public CefMessageRouterBrowserSide::Handler {
public:
ProcessMessageDelegate() {
}
Handler() {}
// From ClientHandler::ProcessMessageDelegate.
virtual bool OnProcessMessageReceived(
CefRefPtr<ClientHandler> handler,
CefRefPtr<CefBrowser> browser,
CefProcessId source_process,
CefRefPtr<CefProcessMessage> message) OVERRIDE {
std::string message_name = message->GetName();
if (message_name == kMessageName) {
// Handle the message.
std::string result;
CefRefPtr<CefListValue> args = message->GetArgumentList();
if (args->GetSize() > 0 && args->GetType(0) == VTYPE_STRING) {
// Our result is a reverse of the original message.
result = args->GetString(0);
std::reverse(result.begin(), result.end());
} else {
result = "Invalid request";
}
// Send the result back to the render process.
CefRefPtr<CefProcessMessage> response =
CefProcessMessage::Create(kMessageName);
response->GetArgumentList()->SetString(0, result);
browser->SendProcessMessage(PID_RENDERER, response);
// Called due to cefQuery execution in binding.html.
virtual bool OnQuery(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
int64 query_id,
const CefString& request,
bool persistent,
CefRefPtr<Callback> callback) OVERRIDE {
// Only handle messages from the test URL.
const std::string& url = frame->GetURL();
if (url.find(kTestUrl) != 0)
return false;
const std::string& message_name = request;
if (message_name.find(kTestMessageName) == 0) {
// Reverse the string and return.
std::string result = message_name.substr(sizeof(kTestMessageName));
std::reverse(result.begin(), result.end());
callback->Success(result);
return true;
}
return false;
}
IMPLEMENT_REFCOUNTING(ProcessMessageDelegate);
};
} // namespace
void CreateProcessMessageDelegates(
ClientHandler::ProcessMessageDelegateSet& delegates) {
delegates.insert(new ProcessMessageDelegate);
void CreateMessageHandlers(ClientHandler::MessageHandlerSet& handlers) {
handlers.insert(new Handler());
}
} // namespace binding_test